NCERT Class-9 Science Solutions: Chapter 7-Diversity In Living Organisms Part 8

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Question 43:

Classify Rohu, Scoliodon, and Flying lizard, King Cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into the cold blooded/warm blooded animals.

Answer:

Cold blooded - Rohu, Scoliodon, Frog, Salamander, Flying Lizard, King Cobra, Crocodile, Warm blooded - Ostrich, Pigeon, Bat, Whale.

Imgae Cold blooded and Warm blooded

Imgae Cold Blooded and Warm Blooded

Imgae Cold blooded and Warm blooded

Question 44:

Name two egg laying mammals.

Answer:

  1. Platypus

  2. Echidna

Image Platypus and Echidna

Image Platypus and Echidna

Image Platypus and Echidna

Question 45:

Fill in the blanks

  1. Five kingdom classification of living organisms is given by ———.

  2. Basic smallest unit of classification is ———.

  3. Prokaryotes are grouped in Kingdom ———.

  4. Paramecium is a protista because of its ———.

  5. Fungi do not contain ———.

  6. A fungus ——— can be seen without microscope.

  7. Common fungi used in preparing the bread is ———.

  8. Algae and fungi form symbiotic association called ———.

Answer:

  1. Five kingdom classification of living organisms is given by Robert Whittaker.

  2. Basic smallest unit of classification is Species.

  3. Prokaryotes are grouped in Kingdom monera.

  4. Paramecium is a protista because of its Eukaryotic unicellular organisms.

  5. Fungi do not contain chlorophyll.

  6. A fungus mushroom can be seen without microscope.

  7. Common fungi used in preparing the bread is yeast.

  8. Algae and fungi form symbiotic association called lichens.

Question 46:

Give True (T) and False (F)

  1. Gymnosperms differ from Angiosperms in having covered seed.

  2. Non flowering plants are called Cryptogamae.

  3. Bryophytes have conducting tissue.

  4. Fun aria is a moss.

  5. Compound leaves are found in many ferns.

  6. Seeds contain embryo.

Answer:

  1. Gymnosperms differ from Angiosperms in having covered seed. (False)

    Image Gymnosperms and Angiosperms

    Image Gymnosperms and Angiosperms

    Image Gymnosperms and Angiosperms

  2. Non flowering plants are called Cryptogamae. (True)

  3. Bryophytes have conducting tissue. (False)

  4. Funaria is a moss. (True)

    Imgae the Funaria

    Imgae the Funaria

    Imgae the Funaria

  5. Compound leaves are found in many ferns. (True)

    Image the long leave ferns

    Image the Long Leave Ferns

    Image the long leave ferns

  6. Seeds contain embryo. (True)

Question 47:

Give examples for the following

  1. Bilateral, dorsiventral symmetry is found in———.

  2. Worms causing disease elephantiasis is———.

  3. Open circulatory system is found in———where caulomic cavity is filled with blood.

  4. ———are known to have pseudo coelom.

Answer:

  1. Bilateral, dorsiventral symmetry is found in liver fluke.

  2. Worms causing disease elephantiasis is filarial worm.

  3. Open circulatory system is found in arthropods where caulomic cavity is filled with blood.

  4. Nematodes are known to have pseudo coelom.